biome_js_parser 0.5.7

Biome's JavaScript parser
Documentation
JsModule {
    bom_token: missing (optional),
    interpreter_token: missing (optional),
    directives: JsDirectiveList [],
    items: JsModuleItemList [
        JsClassDeclaration {
            decorators: JsDecoratorList [],
            abstract_token: missing (optional),
            class_token: CLASS_KW@0..6 "class" [] [Whitespace(" ")],
            id: missing (required),
            type_parameters: missing (optional),
            extends_clause: missing (optional),
            implements_clause: missing (optional),
            l_curly_token: L_CURLY@6..7 "{" [] [],
            members: JsClassMemberList [],
            r_curly_token: R_CURLY@7..8 "}" [] [],
        },
        JsClassDeclaration {
            decorators: JsDecoratorList [],
            abstract_token: missing (optional),
            class_token: CLASS_KW@8..15 "class" [Newline("\n")] [Whitespace(" ")],
            id: missing (required),
            type_parameters: missing (optional),
            extends_clause: JsExtendsClause {
                extends_token: EXTENDS_KW@15..23 "extends" [] [Whitespace(" ")],
                super_class: JsIdentifierExpression {
                    name: JsReferenceIdentifier {
                        value_token: IDENT@23..27 "bar" [] [Whitespace(" ")],
                    },
                },
                type_arguments: missing (optional),
            },
            implements_clause: missing (optional),
            l_curly_token: L_CURLY@27..28 "{" [] [],
            members: JsClassMemberList [],
            r_curly_token: R_CURLY@28..29 "}" [] [],
        },
        JsClassDeclaration {
            decorators: JsDecoratorList [],
            abstract_token: missing (optional),
            class_token: CLASS_KW@29..36 "class" [Newline("\n")] [Whitespace(" ")],
            id: JsIdentifierBinding {
                name_token: IDENT@36..40 "foo" [] [Whitespace(" ")],
            },
            type_parameters: missing (optional),
            extends_clause: missing (optional),
            implements_clause: missing (optional),
            l_curly_token: L_CURLY@40..42 "{" [] [Whitespace(" ")],
            members: JsClassMemberList [
                JsPropertyClassMember {
                    modifiers: JsPropertyModifierList [],
                    name: JsLiteralMemberName {
                        value: IDENT@42..46 "set" [] [Whitespace(" ")],
                    },
                    property_annotation: missing (optional),
                    value: missing (optional),
                    semicolon_token: missing (optional),
                },
                JsBogusMember {
                    items: [
                        L_CURLY@46..47 "{" [] [],
                    ],
                },
            ],
            r_curly_token: R_CURLY@47..49 "}" [] [Whitespace(" ")],
        },
        JsBogusStatement {
            items: [
                R_CURLY@49..50 "}" [] [],
            ],
        },
        JsClassDeclaration {
            decorators: JsDecoratorList [],
            abstract_token: missing (optional),
            class_token: CLASS_KW@50..57 "class" [Newline("\n")] [Whitespace(" ")],
            id: missing (required),
            type_parameters: missing (optional),
            extends_clause: JsExtendsClause {
                extends_token: EXTENDS_KW@57..65 "extends" [] [Whitespace(" ")],
                super_class: missing (required),
                type_arguments: missing (optional),
            },
            implements_clause: missing (optional),
            l_curly_token: L_CURLY@65..66 "{" [] [],
            members: JsClassMemberList [],
            r_curly_token: R_CURLY@66..67 "}" [] [],
        },
    ],
    eof_token: EOF@67..68 "" [Newline("\n")] [],
}

0: JS_MODULE@0..68
  0: (empty)
  1: (empty)
  2: JS_DIRECTIVE_LIST@0..0
  3: JS_MODULE_ITEM_LIST@0..67
    0: JS_CLASS_DECLARATION@0..8
      0: JS_DECORATOR_LIST@0..0
      1: (empty)
      2: CLASS_KW@0..6 "class" [] [Whitespace(" ")]
      3: (empty)
      4: (empty)
      5: (empty)
      6: (empty)
      7: L_CURLY@6..7 "{" [] []
      8: JS_CLASS_MEMBER_LIST@7..7
      9: R_CURLY@7..8 "}" [] []
    1: JS_CLASS_DECLARATION@8..29
      0: JS_DECORATOR_LIST@8..8
      1: (empty)
      2: CLASS_KW@8..15 "class" [Newline("\n")] [Whitespace(" ")]
      3: (empty)
      4: (empty)
      5: JS_EXTENDS_CLAUSE@15..27
        0: EXTENDS_KW@15..23 "extends" [] [Whitespace(" ")]
        1: JS_IDENTIFIER_EXPRESSION@23..27
          0: JS_REFERENCE_IDENTIFIER@23..27
            0: IDENT@23..27 "bar" [] [Whitespace(" ")]
        2: (empty)
      6: (empty)
      7: L_CURLY@27..28 "{" [] []
      8: JS_CLASS_MEMBER_LIST@28..28
      9: R_CURLY@28..29 "}" [] []
    2: JS_CLASS_DECLARATION@29..49
      0: JS_DECORATOR_LIST@29..29
      1: (empty)
      2: CLASS_KW@29..36 "class" [Newline("\n")] [Whitespace(" ")]
      3: JS_IDENTIFIER_BINDING@36..40
        0: IDENT@36..40 "foo" [] [Whitespace(" ")]
      4: (empty)
      5: (empty)
      6: (empty)
      7: L_CURLY@40..42 "{" [] [Whitespace(" ")]
      8: JS_CLASS_MEMBER_LIST@42..47
        0: JS_PROPERTY_CLASS_MEMBER@42..46
          0: JS_PROPERTY_MODIFIER_LIST@42..42
          1: JS_LITERAL_MEMBER_NAME@42..46
            0: IDENT@42..46 "set" [] [Whitespace(" ")]
          2: (empty)
          3: (empty)
          4: (empty)
        1: JS_BOGUS_MEMBER@46..47
          0: L_CURLY@46..47 "{" [] []
      9: R_CURLY@47..49 "}" [] [Whitespace(" ")]
    3: JS_BOGUS_STATEMENT@49..50
      0: R_CURLY@49..50 "}" [] []
    4: JS_CLASS_DECLARATION@50..67
      0: JS_DECORATOR_LIST@50..50
      1: (empty)
      2: CLASS_KW@50..57 "class" [Newline("\n")] [Whitespace(" ")]
      3: (empty)
      4: (empty)
      5: JS_EXTENDS_CLAUSE@57..65
        0: EXTENDS_KW@57..65 "extends" [] [Whitespace(" ")]
        1: (empty)
        2: (empty)
      6: (empty)
      7: L_CURLY@65..66 "{" [] []
      8: JS_CLASS_MEMBER_LIST@66..66
      9: R_CURLY@66..67 "}" [] []
  4: EOF@67..68 "" [Newline("\n")] []
--
class_decl_err.js:1:1 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × class declarations must have a name
  
  > 1 │ class {}
      │ ^^^^^^
    2 │ class extends bar {}
    3 │ class foo { set {} }
  
--
class_decl_err.js:2:1 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × class declarations must have a name
  
    1 │ class {}
  > 2 │ class extends bar {}
      │ ^^^^^^
    3 │ class foo { set {} }
    4 │ class extends {}
  
--
class_decl_err.js:3:13 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × expected a semicolon to end the class property, but found none
  
    1 │ class {}
    2 │ class extends bar {}
  > 3 │ class foo { set {} }
      │             ^^^
    4 │ class extends {}
    5 │ 
  
--
class_decl_err.js:3:17 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected an identifier, a string literal, a number literal, a private field name, or a computed name but instead found '{'.
  
    1 │ class {}
    2 │ class extends bar {}
  > 3 │ class foo { set {} }
      │                 ^
    4 │ class extends {}
    5 │ 
  
  i Expected an identifier, a string literal, a number literal, a private field name, or a computed name here.
  
    1 │ class {}
    2 │ class extends bar {}
  > 3 │ class foo { set {} }
      │                 ^
    4 │ class extends {}
    5 │ 
  
--
class_decl_err.js:3:20 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected a statement but instead found '}'.
  
    1 │ class {}
    2 │ class extends bar {}
  > 3 │ class foo { set {} }
      │                    ^
    4 │ class extends {}
    5 │ 
  
  i Expected a statement here.
  
    1 │ class {}
    2 │ class extends bar {}
  > 3 │ class foo { set {} }
      │                    ^
    4 │ class extends {}
    5 │ 
  
--
class_decl_err.js:4:1 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × class declarations must have a name
  
    2 │ class extends bar {}
    3 │ class foo { set {} }
  > 4 │ class extends {}
      │ ^^^^^^
    5 │ 
  
--
class_decl_err.js:4:14 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × 'extends' list cannot be empty.
  
    2 │ class extends bar {}
    3 │ class foo { set {} }
  > 4 │ class extends {}
      │              
    5 │ 
  
--
class {}
class extends bar {}
class foo { set {} }
class extends {}